Lovers of chocolate may well be disappointed since this refers to the color rather than the taste. At first sight brown might seem a strange color to promote since its dull shades do not speak of excitement. But this is just the point. A few brown plants in a flower bed will add a touch of mystery, even class to the border. This article by Lynne Cherot which I found on her Sensible Gardening website suggests twelve plants with brown flowers or foliage.
Not the most usual colour in plants, brown adds a touch of mystery to the flower bed. Normally a rather unassuming colour, brown in flowers and foliage stands out when grown among the brighter tones in the garden border. It almost adds a touch of class to plantings and a sense of style to containers.
See more at Sensible Gardening